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Diffstat (limited to 'src/video_core/shader/decode')
-rw-r--r-- | src/video_core/shader/decode/bfe.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/video_core/shader/decode/bfe.cpp b/src/video_core/shader/decode/bfe.cpp index 911d53657..39587e0df 100644 --- a/src/video_core/shader/decode/bfe.cpp +++ b/src/video_core/shader/decode/bfe.cpp @@ -36,6 +36,9 @@ u32 ShaderIR::DecodeBfe(NodeBlock& bb, u32 pc) { const bool is_signed = instr.bfe.is_signed; + // using reverse parallel method in + // https://graphics.stanford.edu/~seander/bithacks.html#ReverseParallel + // note for later if possible to implement faster method. if (instr.bfe.brev) { const auto swap = [&](u32 s, u32 mask) { Node v1 = |